| 高压加热器出口给水温度偏低原因分析 |
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| 引用本文： | 张梅有,王 潇,赵素芬.高压加热器出口给水温度偏低原因分析[J].防灾减灾工程学报,2012(6):44-46. |
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| 作者姓名： | 张梅有 王 潇 赵素芬 |
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| 作者单位： | 宁夏电力公司教育培训中心, 宁夏 银川 750011;国电电力武威发电有限公司, 甘肃 武威 733000;河北省电力公司职业技术培训中心, 河北 石家庄 050031 |
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| 摘 要： | 针对国电宁夏石嘴山发电有限公司3号机组(330 MW)6号、7号高压加热器给水温度偏低问题,从加热器的结构、受热特性、运行和维护方式等方面进行分析,提出了相应的解决措施。分析结果表明:高压加热器给水温度偏低的主要原因是分水隔板制作工艺不合理及密封垫片安装方法不正确。
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| 关 键 词： | 高压加热器 给水温度 端差 |
Cause analysis of lower feedwater temperature for high pressure heater |
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| ZHANG Meiyou,WANG Xiao,ZHAO Sufen.Cause analysis of lower feedwater temperature for high pressure heater[J].Journal of Disaster Prevent and Mitigation Eng,2012(6):44-46. |
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| Authors: | ZHANG Meiyou WANG Xiao ZHAO Sufen |
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| Institution: | Ningxia Electric Power Company Education Training Center, Yinchuan Ningxia 750011 , China;State Power Group Wuwei Power Generation Co., Ltd., Wuwei Gansu 733000 , China; Hebei Electric Power Company Profession Technology Training Center, Shijiazhuang Hebei 050031 , China |
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| Abstract: | Aiming at the problem of feedwater temperature on the low side at No.6 and No.7 highpressure heater in Unit No.3(330 MW) of Ningxia Shizuishan Power Generation Co., Ltd., analyzes thestructure, heated performance, operation and maintenance mode of the heater, puts forward relevantsolution measures. The analysis result shows that the main reason of lower feedwater temperature onthe low side at the high pressure heater is that manufacturing crafts of water isolation clapboard are ir?rational, and the installation methods of pressurize gasket are incorrect. |
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